<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    .box {
        margin: 50px 500px;
    }

    .div1 {
        width: 8px;
        height: 400px;
        border: 10px solid red;
        background-color: red;
    }

    p {
        width: 8px;
        height: 400px;
        border: 10px solid red;
        background-color: red;
        transform: rotate(90deg);
        margin-top: -420px;
    }
</style>

<body>
    <div class="box">
        <div class="div1"></div>
        <p></p>
    </div>
</body>

</html>